Definition

French-inspired slang for describing a beverage so cheap and terrible that it makes bottom-shelf vodka taste like a fine vintage. If it leaves you questioning your life choices and your taste buds simultaneously, it's definitely vieux.

Example Usage

I bought the store-brand energy drink to save money, but that shit tastes like vieux.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=vieux&defid=11359257)

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